JPH058373B2 - - Google Patents

Info

Publication number
JPH058373B2
JPH058373B2 JP59027997A JP2799784A JPH058373B2 JP H058373 B2 JPH058373 B2 JP H058373B2 JP 59027997 A JP59027997 A JP 59027997A JP 2799784 A JP2799784 A JP 2799784A JP H058373 B2 JPH058373 B2 JP H058373B2
Authority
JP
Japan
Prior art keywords
ultrasonic
difference value
zero
echo
density
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP59027997A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60173463A (ja
Inventor
Tadashi Fujii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Terumo Corp
Original Assignee
Terumo Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Terumo Corp filed Critical Terumo Corp
Priority to JP59027997A priority Critical patent/JPS60173463A/ja
Publication of JPS60173463A publication Critical patent/JPS60173463A/ja
Publication of JPH058373B2 publication Critical patent/JPH058373B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP59027997A 1984-02-18 1984-02-18 超音波測定装置 Granted JPS60173463A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59027997A JPS60173463A (ja) 1984-02-18 1984-02-18 超音波測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59027997A JPS60173463A (ja) 1984-02-18 1984-02-18 超音波測定装置

Publications (2)

Publication Number Publication Date
JPS60173463A JPS60173463A (ja) 1985-09-06
JPH058373B2 true JPH058373B2 (enrdf_load_stackoverflow) 1993-02-02

Family

ID=12236460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59027997A Granted JPS60173463A (ja) 1984-02-18 1984-02-18 超音波測定装置

Country Status (1)

Country Link
JP (1) JPS60173463A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2581075B2 (ja) * 1987-05-21 1997-02-12 株式会社 日立メディコ 超音波診断装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441368A (en) * 1982-04-19 1984-04-10 General Electric Company Method and means for determining ultrasonic wave attenuation in tissue

Also Published As

Publication number Publication date
JPS60173463A (ja) 1985-09-06

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